Fetus
Asymmetric IUGR
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Asymmetric IUGR
, Asymmetric Intrauterine Growth Retardation
See Also
Intrauterine Growth Retardation
(
IUGR
)
Symmetric Intrauterine Growth Retardation
(
Symmetric IUGR
)
Large for Gestational Age
Epidemiology
Represents 90% of
Intrauterine Growth Retardation
Occurs in third trimester
Pathophysiology
Results from placental insufficiency
Intrauterine Growth Retardation
with head sparing
Severe Asymmetric IUGR may become
Symmetric IUGR
Chronic
Fetal Hypoxia
Causes
Utero-Placental Insufficiency
Maternal
Preeclampsia
or Chronic
Hypertension
Gestational Diabetes
(Second most common cause
IUGR
)
Maternal Collagen Vascular Disease
Maternal
Tobacco Abuse
Most common preventable cause of
IUGR
Birth weight reduced 200 grams if mother smokes
Maternal Infection
Complications
Fewer neurologic complications than
Symmetric IUGR
Perinatal complications
Polycythemia (hyperviscosity)
Hypoglycemia
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